Home / 155,226.28-232,644.64-66,375.31

Finding the Fourth Proportional to 155,226.28, 232,644.64 and 66,375.31

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Solution

The fourth proportional to 155,226.28, 232,644.64 and 66,375.31 is: 99,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,226.28 : 232,644.64 = 66,375.31 : x
  2. Step 2: Convert to fraction form
    155,226.28/232,644.64 = 66,375.31/x
  3. Step 3: Cross multiply
    155,226.28x = 232,644.64 × 66,375.31
  4. Step 4: Simplify right side
    155,226.28x = 15,441,859,808.62
  5. Step 5: Solve for x
    x = 15,441,859,808.62/155,226.28
  6. Step 6: Final answer
    x = 99,479.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.